This Buick quits while driving.

10

Asked by Ibthewink Sep 09, 2024 at 05:25 PM about the 2003 Buick LeSabre Limited Sedan FWD

Question type: Maintenance & Repair

This 03 LeSabre will just shut off while driving down the road.  The dash will
shut down and back on like someone cycled the key.

3 Answers

310,255

Gm products back then were known for ignition switch problems, also check the power distribution box for any signs of overheating.

40,015

check applicable fuse tangs for tarnish , could be an indication of excessive heat/voltage or poor connection

10

As it turns out, after excessive time spent diagnosing, the PCM/ECU is bad. It would start up and run great, until it the coolant reached 200 Degrees and then things would start to go haywire. Some of the gauges (fuel, coolant, and security light) would either go full or bottom out. It wouldn't restart until the gauges went back to normal and then it would cut back out again. The vehicle wouldn't communicate with the scan tool until things cooled down too. Sorry this answer is so long but there's even more stuff I could post but bottom line, it needs to go to dealer for pcm and program.

1 people found this helpful.

Your Answer:

LeSabre

Looking for a Used LeSabre in your area?

CarGurus has thousands of nationwide listings and the tools to find you a great deal.

Postal Code:

CarGurus Experts

  • #1
    John Saffrahn
    Reputation
    4,100
  • #2
    txbarney
    Reputation
    3,230
  • #3
    joes098
    Reputation
    2,720
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Buick Regal
5 Great Deals out of 35 listings starting at $5,600
Used Toyota Camry
48 Great Deals out of 979 listings starting at $2,212
Used Honda Accord
43 Great Deals out of 907 listings starting at $1,599
Used Chevrolet Impala
10 Great Deals out of 110 listings starting at $4,632
Used Lincoln Town Car
8 listings starting at $9,995
Used Chevrolet Silverado 1500
195 Great Deals out of 5,967 listings starting at $2,975
Used Toyota Corolla
122 Great Deals out of 1,994 listings starting at $2,795
Used Honda Civic
176 Great Deals out of 3,690 listings starting at $1,995
Used Honda CR-V
99 Great Deals out of 3,843 listings starting at $1,795

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.